Roots and Tendrils

I've been hammering away at a Common Lisp library for SVG. Last week I decided to take a break from studying the arcana of clipping windows and alpha masks to see if I could translate some of the gallery examples from NodeBox into SVG nicely. My library isn't ready for Graphic Cellular Domestication — that'll take Javascript — but some of the random walk ones turned out ok:





I quite like my modification of the tendrils algorithm, if I do say so myself:



Of course, SVG isn't recognized as an uploadable image format many places, so the pictures are PNG.